/Engine/Source/Runtime/CoreUObject/Public/Misc/PackageName.h
Gets the source version of a localized long package path (it is also safe to pass non-localized paths into this function).
Source package path.
static [FString](API\Runtime\Core\Containers\FString) GetSourcePackagePath ( const [FString](API\Runtime\Core\Containers\FString) & InLocalizedPackagePath )